multiuser detector
Adaptive Minimum Symbol Error Rate CDMA Linear Multiuser Detector for Pulse Amplitude Modulation
... linear multiuser detector (MUD) is proposed for direct sequence code divi- sion multiple access (DS-CDMA) systems employing multilevel pulse- amplitude modulation ( -PAM) ...
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A complexity-performance-balanced multiuser detector based on artificial fish swarm algorithm for DS-UWB systems in the AWGN and multipath environments
... a multiuser frequency-domain (FD) turbo detector was proposed that combines FD turbo equalization schemes with soft inter- ference cancelation, but its BER performance is unsatis- ...blind multiuser ...
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An Iterative Multiuser Detector for Turbo-Coded DS-CDMA Systems
... Our work is different from the work of [9] in that we avoided a direct subtraction of the estimated multiple-access interference from the received signal. Rather we used the es- timated multiple-access interference as ...
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Block Adaptive Kernel Based CDMA Multiuser Detector
... nonlinear multiuser detector (MUD) for direct-sequence code-division multiple-access (DS- CDMA) signals transmitted through multipath ...one-shot detector, with the aid of a sig- nificantly more ...
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Coding Across Multicodes and Time in CDMA Systems Employing MMSE Multiuser Detector
... over all multicodes is dominated by the worst multicode SIR. However, when coding across multicodes and time (CMT) is used, each convolutionally coded symbol is transmitted over several multicodes with different SIRs, and ...
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A Chip Level BSOR Based Linear GSIC Multiuser Detector for Long Code CDMA Systems
... incorporating multiuser detec- tors in current cellular systems is that the latter are long-code systems while most multiuser detectors developed until now assume a short-code system ...considered, ...
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Genetic Algorithm Assisted Multiuser Detection in Asynchronous CDMA Communications
... In this section, our computer simulation results are presented in order to characterize the DBEP performance of the GA-based multiuser detector highlighted in Section III. For the sake of comparison, we ...
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Space Time Equalisation Assisted Minimum Bit Error Ratio Multiuser Detection for SDMA Systems
... A novel minimum bit error rate design has been proposed for a space-time equalisation assisted multiuser detector employed in multiple antenna aided space division multiple access system[r] ...
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Support Vector Machine Multiuser Receiver for DS CDMA Signals in Multipath Channels
... attractive multiuser scheme that allows users to transmit at the same carrier fre- quency in an uncoordinated ...creates multiuser interference (MUI) which, if not controlled, can seriously degrade the ...
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MBER Turbo Multiuser Beamforming Aided QPSK Receiver Design using EXIT Chart Analysis
... the multiuser detector and channel decoder, respectively, while the subscripts pr , po and e are used for representing the a priori, a posteriori and extrinsic ...
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Minimum Bit Error Rate Multiuser Detection in Multiple Antenna Aided OFDM
... (MBER) multiuser detector for Space Divi- sion Multiple Access (SDMA) aided Orthogonal Frequency Division Multiplexing (OFDM) ...MBER detector outperforms the Minimum Mean Squared Error (MMSE) ...
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Broadband MC DS CDMA Using Space Time and Frequency Domain Spreading
... user detector and the decorrelating multiuser detector are ...when multiuser detection as- sisted F-domain spreading is considered, the broadband MC DS-CDMA system is capable of supporting a ...
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Multiuser Delay Tracking CDMA Receiver
... CDMA multiuser detection at the bases- tation, which utilizes known user spreading codes for detec- tion, is an effective method to suppress MAI and improve re- ceiver ...optimal multiuser detector ...
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Turbo Multiuser Detection Architectures
... turbo multiuser detection ...ature. Multiuser detection, which was briefly discussed in chapter 1, is then combined with the turbo principle in chapter ...turbo multiuser detection architecture and ...
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DIMINISHED COMPLEXITY GENETIC ALGORITHM AIDED AND RADIAL BASIS FUNCTION ASSISTED MULTIUSER DETECTION FOR SYNCHRONOUS CDMA
... adaptive Multiuser Detector which converges to the minimum mean square error detector without training sequences and which requires less information discussed by Howard ...linear Multiuser ...
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Iterative Soft Interference Cancellation Aided Minimum Bit Error Rate Uplink Receiver Beamforming
... where the extrinsic information is gleaned from the surrounding RSC encoded bits, excluding the specific bit considered [5]. We note that as usual in joint iterative detection and decoding schemes [5], we exchange the ...
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Antenna Diversity Assisted Genetic Algorithm Based Multiuser Detection Schemes for Synchronous CDMA Systems
... posed multiuser detector against several conventional multiuser detectors, namely, that of the single-user correlator [12], the decorrelator [1], and the optimum multiuser detector [1], ...
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Residue Number System Assisted Fast Frequency Hopped Synchronous Ultra Wideband Spread Spectrum Multiple Access: A Design Alternative to Impulse Radio
... potent multiuser detector is required, in order to improve the detection performance of the proposed MS/UWB FHMA system, which is the topic of the next ...
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Transmitter Layering for Multiuser MIMO Systems
... The paper is organized as follows. Section 2 presents the formal system description and the iterative low-complexity demodulation process. In Section 3, an asymptotic density evolution analysis is presented leading to an ...
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On multipath spatial diversity in wireless multiuser communications
... The study of the spatial aspects of multipath in wireless communications environ- ments is an increasingly important addition to the study of the temporal aspects in the search for ways to increase the utilization of the ...
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